56772027765 has 64 divisors (see below), whose sum is σ = 107332646400. Its totient is φ = 28372626432.

The previous prime is 56772027757. The next prime is 56772027779.

It is a happy number.

56772027765 is a `hidden beast` number, since 567 + 7 + 2 + 0 + 2 + 7 + 76 + 5 = 666.

56772027765 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56772027765 - 2³ = 56772027757 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471544 + ... + 579566.

It is an arithmetic number, because the mean of its divisors is an integer number (1677072600).

Almost surely, 2^56772027765 is an apocalyptic number.

It is an amenable number.

56772027765 is a deficient number, since it is larger than the sum of its proper divisors (50560618635).

56772027765 is a wasteful number, since it uses less digits than its factorization.

56772027765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108283 (or 108277 counting only the distinct ones).

The product of its (nonzero) digits is 8643600, while the sum is 54.

The spelling of 56772027765 in words is "fifty-six billion, seven hundred seventy-two million, twenty-seven thousand, seven hundred sixty-five".